Semi-active radar homing is a common type of missile guidance system, perhaps the most common type for longer-range air-to-air and surface-to-air missile systems. The name refers to the fact that the
Figure 1. Semi-active radar homing flight path geometry.
9B-1101K, inertial semi-active homing head for R-27R missiles.
A beyond-visual-range missile or beyond-visual-range air-to-air missile is an air-to-air missile with a weapon engagement zone that exceeds the visual field of the pilot. Medium-range, long-range, and
Mitsubishi AAM-4 was the first BVR missile to utilize an AESA radar.
Swedish Air Force JA37 Viggen with a pair of semi-active radar homing underwing Skyflash missiles.
First successful test of AIM-120 AMRAAM at the White Sands Missile Range, New Mexico 1982.
Active radar seeker Head of Vympel R-77 at 2009 MAKS Airshow.